b. Nishimura notes that nothing is visible at this position on three frames taken on 2018 Feb. 3.855, 4.863, and 5.864 UT (limiting mag 13).

c. Nishimura notes there is a nearby star of mag 16.8 with position end figures 49.24s, 01.8".

d. P. Schmeer (Saarbruecken-Bischmisheim, Germany) notes a VISTA variable (VVV catalog DR2) is located about 0.7" away from the from the discovery position (VVV J164849.63-445702.43 = VPHASDR2 J164849.6-445702.3).